The British Parliament passed a law granting independence in July 1947. The law gave people only one month to decide which country they wanted to live in and to move there. As millions of people began to move, more violence broke out.
Calderas form when an enormous magma chamber under, what was probably a pretty ginormous volcano, empties and collapses, causing the land above it to collapse as well. An explosive caldera-forming eruption has never been witnessed first hand, but we know that they should pretty fearsome spectacles. Much smaller calderas atop effusive volcanoes (hawaiian style) have been observed. So, formation: maars form when a vent intersects groundwater and blasts out the overlying material.
In 2013, we witnessed the most volcanic eruptions worldwide that we had ever seen in a single year, and 2015 is already threatening to be another one for the record books. The number of volcanoes erupting as you read this article is greater than the 20th centuryâs yearly average. The last VEI 7 eruption that the world witnessed was in Indonesia in 1815. According to the Express, that massive eruption resulted in a âyear without summerâ and created famine all over the globeâ¦.